Nerdulator> put something in

Recognised as Colour

#89091B

  • #89091B
  • Red
  • Dark
  • Nearest: Brown

#89091B is a red with RGB values 137, 9, 27 and HSL 352°, 88%, 29%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#89091B#89091B
HEX#89091B
RGBrgb(137, 9, 27)
RGB (0–1)0.5373, 0.0353, 0.1059
RGB percentages53.7%, 3.5%, 10.6%
HSLhsl(351.6, 87.7%, 28.6%)
HSV / HSBhsv(351.6, 93.4%, 53.7%)
CMYK0%, 93.4%, 80.3%, 46.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,980,763
CSS custom property--colour: #89091B;

Brightness & contrast

Relative luminance0.05593WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.91:1
Contrast with white9.91:1WCAG normal text: AAA
Contrast with black2.12:1WCAG normal text: Fail
Greyscale equivalent#262626
Inverted#76F6E4

Colour vision & accessibility

Protanopia#37321Ano red cones; affects about 1% of men; ΔE 53.4 from the original
Deuteranopia#554C16no green cones; the most common form, about 1% of men; ΔE 53.2 from the original
Tritanopia#980013no blue cones; rare, and affects men and women equally; ΔE 10.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.91:1WCAG large text: AAA
Contrast with black, large text2.12:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 9.52, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#098977
Analogous#89095B, #893709
Triadic#1B8909, #091B89
Split complementary#098937, #095B89
Tetradic#5B8909, #098977, #370989

Tints, shades & saturation

Lighter +40%#F5697D
Lighter +30%#F23953
Lighter +20%#E90F2E
Lighter +10%#B90C24
Darker −10%#590612
Darker −20%#290308
Darker −30%#000000
Darker −40%#000000
More saturated +25%#920015
Less saturated −25%#771B28

Channel breakdown

R137
G9
B27
Red137 (53.7%)
Green9 (3.5%)
Blue27 (10.6%)
Hue351.56°
Saturation (HSL)87.67%
Lightness28.63%
Dominant channelRed
Hex per channelR 89 · G 09 · B 1B

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “89091b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.